245953359523 has 2 divisors, whose sum is σ = 245953359524. Its totient is φ = 245953359522.

The previous prime is 245953359499. The next prime is 245953359557. The reversal of 245953359523 is 325953359542.

It is a happy number.

It is a weak prime.

It is a cyclic number.

It is a de Polignac number, because none of the positive numbers 2^k-245953359523 is a prime.

It is not a weakly prime, because it can be changed into another prime (245953359563) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 122976679761 + 122976679762.

It is an arithmetic number, because the mean of its divisors is an integer number (122976679762).

Almost surely, 2^245953359523 is an apocalyptic number.

245953359523 is a deficient number, since it is larger than the sum of its proper divisors (1).

245953359523 is an equidigital number, since it uses as much as digits as its factorization.

245953359523 is an evil number, because the sum of its binary digits is even.

The product of its digits is 21870000, while the sum is 55.

The spelling of 245953359523 in words is "two hundred forty-five billion, nine hundred fifty-three million, three hundred fifty-nine thousand, five hundred twenty-three".